Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/orderAccess.cpp @ 1782:f353275af40e
6981773: incorrect fill value with OptimizeFill
Reviewed-by: kvn, twisti
author | never |
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date | Thu, 02 Sep 2010 11:40:02 -0700 |
parents | a6bff45449bc |
children | f95d63e2154a |
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0 | 1 /* |
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6973570: OrderAccess::storestore() scales poorly on multi-socket x64 and sparc: cache-line ping-ponging
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2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_orderAccess.cpp.incl" | |
27 | |
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28 void OrderAccess::StubRoutines_fence() { |
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29 // Use a stub if it exists. It may not exist during bootstrap so do |
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30 // nothing in that case but assert if no fence code exists after threads have been created |
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31 void (*func)() = CAST_TO_FN_PTR(void (*)(), StubRoutines::fence_entry()); |
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32 |
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33 if (func != NULL) { |
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34 (*func)(); |
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35 return; |
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36 } |
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37 assert(Threads::number_of_threads() == 0, "for bootstrap only"); |
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38 } |